The Blackhawks have agreed to deals with forward Jamal Mayers and defenseman Johnny Oduya.
Nate Prosser of Minnesota Wild was suspended one game for head-butt on Jamal Mayers of Chicago Blackhawks.
Blackhawks captain Jonathan Toews, who has missed eight games with a reported concussion, skated Thrusday for the first time since leaving the lineup and is progressing, coach Joel Quenneville said.
The Chicago Blackhawks will get one player back from injury while another will make his NHL debut when the Hawks host the Detroit Red Wings in a Central Division showdown Friday night at the United Center.
Blackhawks forward Dave Bolland is questionable for Thursday's game, which might lead to more lineup changes.
The day after a 6-2 drubbing by the Vancouver Canucks, Chicago Blackhawks coach Joel Quenneville made massive lineup changes which included the return of injured defenseman Duncan Keith to practice.
For the first time since they were kids, Chicago Blackhawks captain Jonathan Toews and his younger brother, David, will play on the same team Tuesday night.
The Chicago Blackhawks signed veteran forwards Jamal Mayers, Andrew Brunette, Dan Carcillo and Brett McLean and defenseman Sean O'Donnell to one-year contracts on Friday.